JPS6183239U

JPS6183239U -

Info

Publication number: JPS6183239U
Application number: JP16833384U
Authority: JP
Priority date: 1984-11-06
Filing date: 1984-11-06
Publication date: 1986-06-02

Description

[Brief explanation of the drawing]

図面は本願の実施例を示すもので、第１図はタ
イムスイツチの縦断面図、第２図はケースの一部
を破断して示す正面図、第３図は主軸とそれに装
着される部材とを相互に分解して示す斜視図、第
４は主軸に対するカムの組み付け部分の構造を示
す拡大図、第５図は主軸に対する種々の部材の組
付け状態を示す縦断面図。１……ケース、６……主軸、７……カム、２６
……カム装着部、１８……係合面、２９……位置
決用段部、３２……突部、３３ａ，３３ｂ……当
接面。 The drawings show an embodiment of the present application. Fig. 1 is a longitudinal sectional view of the time switch, Fig. 2 is a partially cutaway front view of the case, and Fig. 3 shows the main shaft and the members attached to it. FIG. 4 is an enlarged view showing the structure of the part where the cam is assembled to the main shaft, and FIG. 5 is a longitudinal sectional view showing how various members are assembled to the main shaft. 1...Case, 6...Main shaft, 7...Cam, 26
...Cam mounting portion, 18... Engagement surface, 29... Positioning step, 32... Protrusion, 33a, 33b... Contact surface.

Claims

[Scope of utility model registration request]

The main shaft is rotatable relative to the case.
In a timer in which a cam for operating a driven member is mounted so as to be able to rotate together with the main shaft, the cam is attached to the main shaft from one end of the main shaft to the middle of the main shaft. The cam mounting portion is provided with a cam mounting portion formed into an oval cross section by chamfering and cutting it from the side, and the chamfered surface of the cam mounting portion serves as an engagement surface with the cam. In addition, the end of the cam mounting portion opposite to the one end is a positioning step for preventing the cam from moving in the axial direction. A mounting hole for inserting the main shaft is bored in its center, and a protrusion with a height that can be engaged in the axial direction with the step for positioning is protruded on the inner wall surface of the mounting hole. In addition, both side surfaces of the protrusion on the rotation direction side of the cam are formed into slopes so as to be able to abut against the engagement surface with a slight play in the rotation direction. A mounting structure for a timer, wherein the cam is mounted on a cam mounting portion of the main shaft by inserting the main shaft into the mounting hole of the cam from the one end side. .